12. Electrical System
186
12.3 Starting motor
A starting motor turns the ring gear installed on a engine flywheel by the pinion while overcoming
resistance such as the compression pressure and the friction loss of the engine and makes the engine
start.
12.3.1 Specifications
12.3.2 Characteristics
YANMAR Part No.
129608-77010
HITACHI Model No.
S114-817A
Nominal power (kW)
Nominal voltage (V)
Rating (sec)
Direction of rotation
(Looking from the pinion side)
Number of pinion teeth
Weight (kg)
1.4
12
30
Clockwise
11
3.0
No load
Terminal voltage (V)
Electric current (A)
Revolutions (min
-1
)
11
90 (MAX)
2,700 (MIN)
Load
Terminal voltage (V)
Electric current (A)
Torque (N•m)
Revolutions (min
-1
)
8.4
250
8.3 (MIN)
1,000 (MIN)
V
o
ltage (V)
0
1000
2000
3000
4000
6000
5000
0
8
16
24
32
48
40
0
0.4
0.8
1.2
1.6
2.4
2.0
0
2
4
6
8
12
200
0
400
600
800
Speed (min
-1
)
T
orque (N m)
Output (kW)
10
Current (A)
Standard Performance 12V 1.4kW
V
kW
min
-1
N m
